/Engine/Source/Editor/CurveEditor/Public/SCurveEditorPanel.h
This returns an extender which is pre-configured with the standard set of Toolbar Icons. Implementers ofSCurveEditorPanelshould use this to generate the icons and then add any additional context-specific icons (such as save buttons in the Asset Editor) to ensure that the Curve Editor has a consistent set (and order) of icons across all usages.
[TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FExtender](API\Runtime\Slate\Framework\MultiBox\FExtender) > GetToolbarExtender()